Finding the Fourth Proportional to 1,590,425.21, 2,385,859.57 and 510,970.50
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Solution
The fourth proportional to 1,590,425.21, 2,385,859.57 and 510,970.50 is: 766,526.99
Step by Step Solution
- Step 1: Write the proportion equation
1,590,425.21 : 2,385,859.57 = 510,970.50 : x - Step 2: Convert to fraction form
1,590,425.21/2,385,859.57 = 510,970.50/x - Step 3: Cross multiply
1,590,425.21x = 2,385,859.57 × 510,970.50 - Step 4: Simplify right side
1,590,425.21x = 1,219,103,856,135.26 - Step 5: Solve for x
x = 1,219,103,856,135.26/1,590,425.21 - Step 6: Final answer
x = 766,526.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.